Linkedin Ethical Hacking: Evading Ids%2c Firewalls%2c And Honeypots May 2026

Intrusion Detection Systems (IDS) love predictability. They love default user agents, default Nmap timing templates (-T4), and common exploit patterns.

The Fix: Fragmentation & Obfuscation A modern WAF or IDS will reassemble packets. But can it reassemble chaos?

Pro Tip for your next assessment: If you see an IDS block your first scan, switch to nmap --scan-delay 5s or use nmap --data-length 200 (adds random bytes). You won't look like a script, you'll look like legitimate bloatware.

The ultimate ethical hack evades IDS, firewalls, and honeypots by using nothing but native tools and legitimate services.

An IDS looks for anomalies. To evade:

Traditional ethical hacking focuses on packets: SYN scans, ICMP echo requests, and HTTP payloads. Firewalls and IDS are adept at catching these. However, LinkedIn traffic rides on TLS 1.3 over port 443. To a firewall, a connection to linkedin.com looks identical to a connection to evil-c2[.]com—provided you use HTTPS.

The Blind Spot: Most EDRs (Endpoint Detection and Response) and NGFWs perform SSL inspection, but they decrypted traffic. However, if an ethical hacker uses LinkedIn as their C2 (Command & Control) channel or OSINT source, they blend into the 90% of corporate traffic that is "professional social networking."

The LinkedIn Learning course Ethical Hacking: Evading IDS, Firewalls, and Honeypots , led by cybersecurity expert Malcolm Shore

, provides intermediate-level training on testing organizational network perimeters against outside attacks. Course Overview Instructor:

Malcolm Shore, a specialist in cybersecurity and security testing. Approximately 2 hours and 20 minutes. Skill Level: Intermediate. Core Objective:

Prepares professionals to test client defenses by understanding and bypassing common security measures like Intrusion Detection Systems (IDS) Key Topics Covered Intrusion Detection Systems (IDS) love predictability

The course curriculum breaks down into several technical domains: Firewall Technology:

Detailed mechanics of how firewalls operate in both Windows and Linux environments, including hands-on firewall simulations using GNS3 networks. Advanced Defense Mechanisms: Strategies for managing Web Application Firewalls (WAFs), API gateway threat mitigation , and utilizing to trap and detect intruders. Evasion Techniques: Advanced methods to bypass detection, such as: Exotic Scanning:

Non-standard techniques to map networks without alerting defenses. Tunneling: Moving traffic through unconventional protocols like DNS tunneling to bypass security filters. IDS Specific Evasion:

Exploiting discrepancies between how an IDS and a target host process packets (e.g., insertion and evasion attacks). Intrusion Management: Practical use of the Security Onion suite for monitoring and responding to detected threats. Why These Skills Matter

Ethical hackers (often called "white-hat hackers") use these skills with permission to find and secure vulnerabilities before malicious actors can exploit them. Organizations use firewalls as a first line of defense to control traffic, while IDS and honeypots provide deeper pattern recognition and threat analysis to catch sophisticated attacks that might otherwise slip through. specific evasion technique

mentioned in the course, such as DNS tunneling or exotic scanning?

Ethical Hacking: Evading IDS, Firewalls, and Honeypots LinkedIn Learning

is a highly-rated (4.7/5 stars) intermediate-level program designed to help security professionals test and strengthen network perimeters. Key Course Features Practical Network Simulation

: A major feature is the hands-on instruction for setting up a firewall simulation using , a professional-grade network emulator. Comprehensive Tool Training : You learn to use industry-standard tools like Security Onion for intrusion detection, for port testing, and for running honeypots. CEH Exam Alignment : The curriculum is specifically mapped to the Certified Ethical Hacker (CEH)

body of knowledge, making it a direct study resource for those pursuing the certification. Dual OS Focus Pro Tip for your next assessment: If you

: The course provides an overview of firewall technology for both Windows and Linux

, detailing specific configurations like Windows Firewall and Linux IPTables. Advanced Evasion Techniques

: Beyond basic concepts, it covers specialized techniques such as DNS tunneling , exotic scanning, and deep packet inspection evasion. Interactive Material

: Your learning is supported by exercise files and quizzes to test your retention as you progress through the five major sections. Course Content Overview Key Topics Covered Windows/Linux setup, rule management, and log review. Hardware & Simulation Cisco PIX setup and GNS3 network integration. Perimeter Devices

Web Application Firewalls (WAF), API gateways, and honeypots. Intrusion Protection Intrusion response, Snort rules, and Security Onion. used in the GNS3 simulation or the prerequisites needed before starting this course?

Led by Malcolm Shore, the LinkedIn Learning course "Ethical Hacking: Evading IDS, Firewalls, and Honeypots" aligns with the Certified Ethical Hacker (CEH) curriculum to focus on perimeter defense testing. It covers practical techniques for bypassing security systems, including DNS tunneling, exotic scanning, packet manipulation, and the use of tools like GNS3 and Security Onion. For more details, visit LinkedIn Learning.

The LinkedIn Learning course "Ethical Hacking: Evading IDS, Firewalls, and Honeypots," instructed by Malcolm Shore, covers techniques to bypass perimeter defenses like fragmentation, tunneling, and protocol obfuscation. The course utilizes tools such as GNS3, Security Onion, and Cowrie to simulate, analyze, and test network security, aligning with Certified Ethical Hacker (CEH) standards. Learn more at LinkedIn Learning.

LinkedIn - Ethical Hacking: Evading IDS, Firewalls, and Honeypots

Course Overview:

In this course, you'll learn the techniques and strategies used by ethical hackers to evade detection by Intrusion Detection Systems (IDS), firewalls, and honeypots. You'll understand how to think like an attacker and use that knowledge to improve the security of your organization's systems and networks. TCP/IP and Network Fundamentals

Course Outline:

Key Takeaways:

Who Should Take This Course:

Course Format:

Duration: Approximately 4-6 hours

Level: Intermediate to Advanced

Prerequisites: Basic understanding of networking and security concepts

By taking this course, you'll gain a deeper understanding of the techniques used by attackers to evade detection and improve your skills to defend against them.

Honeypots are traps. A sophisticated defender will create fake employee profiles on LinkedIn (honeytokens) that point to non-existent servers or internal tools. If you ping those, they know you are an attacker.

Honeypots are the trickiest. They are designed to look vulnerable (e.g., an "unpatched" Tomcat server or a confidential.zip file on a share).